| ??? 01/04/03 17:38 Read: times |
#35619 - RE: 8052 (or derivatives) serial port timing |
Could you not put the UART into mode 0 ,for the 4 bytes ( It would send the bits lsb first at 1/12 the Fosc though)
The problem here is that in mode 0 one (RxD, TxD) is data in/out the other is clock. also the baud rate would be different. It would be possible to use the "hard" UART for actual data and a (partial) soft UART just for the idle bytes (BTW How do you keep the receiver from seing a bit of an idle byte as a start bit). I do not know squat about Modbus, but is "idle bytes" anything but a gap in transmission of a given length (multiple of 1/baud value?), if that is the case a simple delay will take care of it. Erik |
| Topic | Author | Date |
| 8052 (or derivatives) serial port timing | 01/01/70 00:00 | |
| RE: 8052 (or derivatives) serial port timing | 01/01/70 00:00 | |
| RE: 8052 (or derivatives) serial port timing | 01/01/70 00:00 | |
| RE: 8052 (or derivatives) serial port timing | 01/01/70 00:00 | |
| RE: 8052 (or derivatives) serial port timing | 01/01/70 00:00 | |
| RE: 8052 (or derivatives) serial port timing | 01/01/70 00:00 | |
| RE: 8052 (or derivatives) serial port timing | 01/01/70 00:00 | |
| RE: 8052 (or derivatives) serial port timing | 01/01/70 00:00 | |
| RE: 8052 (or derivatives) serial port timing | 01/01/70 00:00 | |
| RE: 8052 (or derivatives) serial port ti | 01/01/70 00:00 | |
| RE: 8052 (or derivatives) serial port ti | 01/01/70 00:00 | |
| RE: 8052 (or derivatives) serial port timing | 01/01/70 00:00 | |
| RE: 8052 (or derivatives) serial port timing | 01/01/70 00:00 | |
| RE: 8052 (or derivatives) serial port timing | 01/01/70 00:00 | |
RE: 8052 (or derivatives) serial port timing | 01/01/70 00:00 |